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net: dsa: check tx timestamp request in core driver

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Check tx timestamp request in core driver at very beginning of
dsa_skb_tx_timestamp(), so that most skbs not requiring tx
timestamp just return. And drop such checking in device drivers.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Tested-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yangbo Lu
2021-04-27 12:21:57 +08:00
committed by David S. Miller
parent 23c9c2b314
commit cfd12c06cd
4 changed files with 4 additions and 9 deletions
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3
net/dsa/slave.c
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@@ -559,6 +559,9 @@ static void dsa_skb_tx_timestamp(struct dsa_slave_priv *p,
struct sk_buff *clone;
unsigned int type;
if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
return;
type = ptp_classify_raw(skb);
if (type == PTP_CLASS_NONE)
return;